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Luce-Org / lucebox Public

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CUDA/HIP: partial-top-k + hipCUB large-N for argsort/top-k on ROCm#504

Draft

geometric[bot] wants to merge 5 commits into

Luce-Org:mainLuce-Org/lucebox:mainfrom

GeometricAGI:feat/hip-topk-argsortGeometricAGI/lucebox-hub:feat/hip-topk-argsortCopy head branch name to clipboard

Conversation Commits5 (5)Checks Files changed

Draft

CUDA/HIP: partial-top-k + hipCUB large-N for argsort/top-k on ROCm#504
geometric[bot] wants to merge 5 commits into
Luce-Org:mainfrom
GeometricAGI:feat/hip-topk-argsort

Commits

Commits on Jul 8, 2026

perf(hip): compile DFlash GPU draft top-K kernel for HIP
cheese-cakee
committed

Commits on Jul 9, 2026

CUDA/HIP: partial-top-k argsort — up to 6x faster TOP_K on RDNA3.5/RDNA4
DeanoC
committed
CUDA/HIP: support argsort/top-k with ncols > 1024 on ROCm via hipCUB
DeanoC
committed
CUDA/HIP: further RDNA tuning of partial-top-k — templated bitonic + ds_swizzle (~1.19x)
DeanoC
committed

Commits on Jul 10, 2026

CUDA/HIP: VALU cross-lane ops for partial-top-k intra-wave shuffles (~1.06-1.10x)
DeanoC
committed

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